Math, asked by kunalgotmare, 6 months ago

expand (2a+5b)^2 plz plz tell

Answers

Answered by Anonymous

4

Step-by-step explanation:

=(2a+5b)²

=(2a)²+2*2a*5b+(5b)²[using (a+b)²=a²+2ab+b²]

=4a²+20ab+25b²

hope it helps.......

Answered by magimagi

0

hey m8,

(2a+5b)^2 = 2a^2 + 5b^2 + 20ab

since a+ b whole sq = a sq + b sq + 2ab

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