Evaluate 98 3 using identity
WebAug 4, 2024 · Evaluate using suitable identities. (98)^2. asked Aug 4, 2024 in Algebraic Expressions by Rani01 (52.5k points) algebraic expressions; factorisation; class-8; 0 votes. 1 answer. Evaluate using suitable identities. 10.1 x 10.2. asked Aug 4, 2024 in Algebraic Expressions by Rani01 (52.5k points) algebraic expressions; factorisation; WebExplanatory Answer Chapter 2 Extra Question 3 (i) (98) 3 (98) 3 = (100 - 2) 3 (100 - 2) 3 is of the form (a - b) 3 (a - b) 3 = a 3 - 3a 2 b + 3ab 2 - b 3 So, (100 - 2) 3 = 100 3 - 3 × 100 …
Evaluate 98 3 using identity
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WebUsing identities, evaluate i) 71 2 ii) 99 2 iii) 102 2 iv) 998 2 v) 5.2 2 vi) 297 × 303 vii) 78 × 82 viii) 8.9 2 ix) 10.5 × 9.5. Solution: The three basic algebraic identities, which we will be using to evaluate the expressions are as follows. (a + b) 2 = a 2 + 2ab + b 2 (a - b) 2 = a 2 - 2ab + b 2 (a + b)(a - b) = a 2 - b 2 (i) 71 2 = (70 + 1) 2 = (70) 2 + 2(70)(1) + (1) 2 [Since, (a + b ... Web98 3 = 1000000 + 3 (10000) (-2) + 3 (100) (4) - 8 = 1000000 - 60000 + 1200 - 8 = 941192 8. Answer : 993 = (100 - 1)3 We know that (a + b)3 = a3 + 3a2b + 3ab2 + b3 Substitute a = 100, and b = -1. (100 - 1)3 = 1003 + 3 (100)2(-1) + 3 (100) (-1)2 + (-1)3 993 = 10,00,000 + 3 (10000) (-1) + 3 (100) (1) - 1 = 10,00,000 - 30,000 + 300 - 1 = 970,299 9.
WebJun 17, 2024 · We evaluate our approach using identity documents from the Republic of Colombia. As a result, our machine learning background detection method achieved an accuracy of 98.4%, and our authenticity classifier an accuracy of 97.7% and an F1-score of 0.974. Keywords. Machine learning; Identity document verification WebUsing suitable identity evaluate the following: (i) 98 3 (ii) 188 × 212. Solution Video Solution. Question 4. If (x - 2a) is a factor of 2x 4 - 4ax 3 + 7x 2 - 13ax - 18, find the value of a. Solution Video Solution. Question 5. Without actual division prove that (x 2 - x - 2) divides 2x 4 + x 3 - 5x 2 - 8x - 4.
WebApr 13, 2024 · Know your audience. The first step to using website and social media for customer service is to understand your audience and their needs, preferences, and behaviors. You should research your ... WebMar 21, 2024 · Q121 Evaluate (97)^3 using a suitable Identity Evaluate 97 ^3 Evaluate 97 whole cube 1.1K views 10 months ago Q57 Expand (x+2y+4z)^2 Find the …
WebQuestion By using the identity, evaluate (98) 3 A 925329 B 926913 C 993399 D 941192 Medium Solution Verified by Toppr Correct option is D) (98) 3=(100−2) 3 Using, (a−b) 3=a 3−b 3−3ab(a−b) =(100) 3−(2) 3−3(100)(2)(100−2) =1000000−8−600(100−2) =1000000−8−60000+1200 =1001200−60008 =941192 Was this answer helpful? 0 0 …
WebMar 28, 2024 · Ex 2.5, 7 Evaluate the following using suitable identities: (iii) (998)3 We write 998 = 1000 – 2 (998)3 = (1000 − 2)3 Using (a – b)3 = a3 – b3 – 3ab (a – b) Where a = 1000 & b = 2 = (1000)3 − (2)3 − 3 (1000) (2) (1000 − 2) = 1000000000 − 8 − 6000 (998) = 1000000000 − 8 − 5988000 = 1000000000 − 5988008 = 994011992 oldest tectonic plateWebThe algebraic identities are verified using the substitution method. In this method, substitute the values for the variables and perform the arithmetic operation. Another method to verify the algebraic identity is the activity method. my perfect cosmetics company coupon codeWebQuestion Evaluate the (99) 3 using suitable identities. Easy Solution Verified by Toppr Correct option is A) We have, (99) 3 =(100−1) 3 We know that (a−b) 3=a 3−b 3−3ab(a−b) Therefore, =(100) 3−1 3−3×100×1×(100−1) =1000000−1−300(100−1) =1000000−1−30000+300 =970299 Hence, this is the answer. Was this answer helpful? 0 … my perfect cosmetics company offersWebSolution In the given problem, we have to find the value of numbers Given ( 98) 3 In order to find ( 98) 3 we are using identity ( a - b) = a 3 - b 3 - 3 a b ( a - b) We can write ( 98) 3 as ( 100 - 2) 3 Hence where a= 100 , b = 2 ( 98) 3 = ( 100 - 2) 3 = ( 100) 3 - ( 2) 3 = - 3 ( 100) ( 2) ( 100 - 2) = 1000000 - 8 - 600 × 102 = 1000000 - 8 - 58800 my perfect cosmetic companyWeb1 day ago · Additionally, you can evaluate how consistent and coherent your corporate identity is across all touchpoints and channels, such as logo, name, slogan, colors, fonts, images, tone of voice, website ... my perfect colour foundationWebQuestion Using suitable identities, evaluate the following: 98×103 Solution We have, 98×103=(100−2)(100+3) = (100)2+(−2+3)100+(−2)×3 = 10000+100−6 = 10094 [using the identity, (x+a)(x+b)= x2+(a+b)x+ab] Suggest Corrections 31 Video Solution EXEMP - Grade 08 - Mathematics - Algebraic Expressions, Identities and Factorisation - Q86_12 … my perfect cosmetics my perfect eyesWebThe evaluated values of the following (99) 3 , (102) 3, and (998) 3 using suitable identities are 970299, 1061208, and 994011992 respectively. ☛ Related Questions: Factorise the following using appropriate identities: (i) 9x2 + 6xy + y2 (ii) 4y2 - 4y + 1 (iii) x2 - y2/100 oldest tenet of airpower-centralized control