Use algebraic identity and factorise 9x²y² - 16
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Use algebraic identity and factorise 9x²y² - 16
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Answer:
Refer to the above attachment..
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Hey there mate here is your answer
Given,
9x²y² - 16
= (3xy)^2-(4)^2 ( By using a^2-b^2 = (a+b)(a-b) )
= (3xy-4)(3xy+4)
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