Math, asked by GalaxyLover, 8 months ago

______________________________________________________ Expand using suitable identity: a) (2m+5)² b)(m-1/2)² [Please use the identities from algebraic expression] ______________________________________________________ Note: Please make sure you write the answer related to the question. Warning: If its not related to the question then, sorry I will have to report so don't feel bad..

Answers

Answered by GalaxyWolf2020
5

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Hi Friend Hope This Answer Will Help Ya!!

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Answer:

a)2m²+20m+5²

b)m²-m+1/2²

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Step-by-step explanation:

a)[ Identity to be used must be (a+b)²= a²+2ab+b²]

Here a=2m and b=5

(2m+5)²= 2m²+(2 x 2m x 5)+5²

            = 2m²+20m+5²

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b)[ Identity to be used must be (a-b)²= a²-2ab+b²]

     Here a=m and b=1/2

     (m-1/2)²=m²-2 x m x ½+1/2²

                  =m²-m+1/2²

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There you go that's all  ✌

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Answered by 2008saharmanchanda
0

Answer:

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