Math, asked by snehadalavi10, 5 months ago

(2a+b) 3 - (2a-b) 3 .please answer my Maths Q

Answers

Answered by Anonymous

4

simplify (2a + b)3 + (2a - b)3

(2a + b)3 + (2a - b)3 = (8a3 + 12a2b + 3ab2 + b3 ) + (8a3 - 12a2b + 3ab2 - b3)

(2a + b)3 + (2a - b)3 = (8a3 + 12a2b + 3ab2 + b3 ) + (8a3 - 12a2b + 3ab2 - b3) = 16a3 + 6ab2

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Answered by lyngdohmagrina

0

Answer:

(2a + b) 3 - (2a - b) 3

= (2a + b) 3 * -2a +b * 3

= 2a + b 3 * -2a + b * 3

= 2a - 2a + b + b + 3 * 3

= 2b + 9

Step-by-step explanation:

Hope it helps.

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