Math, asked by diyayogendranovember, 1 month ago

plz solve these questions for 8th standard

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Answered by aaryaangel1508

1

Answer

Hope your doubt becomes clear...

Step-by-step explanation:

Q2) 1) Indentity used: (a - b)² = (a-b) (a+b)

: (2a -7)² = (2a+7)(2a-7)

2) Identity used: (a-b)² = a²- 2ab + b²

: (b-7)² = b² - 2(b)(7) + 7²

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