(iii) 81x4 – 16y4 do factorise
plz do it urgently
Answers
Answered by
8
Answer:
(9x²+4y²)(3x+2y)(3x-2y)
Step-by-step explanation:
81x⁴-16y⁴
(9x²)²-(4y²)²
(9x²+4y²)(9x²-4y²).
(9x²+4y²){(3x)²-(2y)²}
(9x²+4y²)(3x+2y)(3x-2y)
I hope it will help you
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