Question

factoris by using indentities
a) 49y²+84yz+36z²
b) a⁴+2a²b²+b⁴
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Answer 1

Answer:

a)

$(7y + 6z) ^{2} </p><p>[tex]here \: we \: use \: (a + b) ^{2}$

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Answer 2

Answer:

(a) 49y²+84yz+36z²

identity:- a²+2ab+b² = (a+b)²

(7y)²+2×7y×6z+(6z)²

(7y+6z)²

(b) a⁴+2a²b²+b⁴

identity:- a²+2ab+b² = (a+b)²

(a²)²+2×a²×b²+(b²)²

(a²+b²)²