Math, asked by asimpaul21, 5 months ago

Factorise
i.x4-y4+x2-y2
ii. 64a2+9b2+42bc-49c2
iii. 6a6-21a4-12a2

Answers

Answered by tanishasana20

0

Step-by-step explanation:

your 2nd question is wrong .

This should be -9b2

Hope you are satisfied this answer

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