Math, asked by tinuhd, 8 months ago

Use a suitable identity to factorise 49a2−42ab+9b249a2−42ab+9b2.

Answers

Answered by nivash980

1

Answer:

(49a-9b2)2

Step-by-step explanation:

(a2-b2)²=a2+b2-2ab

Answered by Anonymous

2

Step-by-step explanation:

I think it will help you

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