Factorise 4p² + 16pq + 16q² using appropriate identity, then its value is equal to
(2p + 4q)²
20p³q³
(2p + 4q) (2p - 4q)
(2p - 4q)²
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We have to factorise 4p² + 16pq + 16q² using appropriate identity, then its value is equal to ...
- (2p + 4q)²
- 20p³q³
- (2p + 4q)(2p - 4q)
- (2p - 4q)²
solution : 4p² + 16pq + 16q²
= (2p)² + 2 × (2p) × (4q) + (4q)²
if we assume 2p = a and 4q = b
we see, a² + 2ab + b² and it is equal to (a + b)² [ it is an algebraic identity ]
so, (2p)² + 2 × (2p) × (4q) + (4q)² = (2p + 4q)²
hence, the value of 4p² + 16pq + 16q² = (2p + 4q)² .i.e., option (1) is correct choice.
also read similar questions : √3x² +4x+√3, Find the factors of the given polynomial
https://brainly.in/question/4594365
2m²+5m-3, Find the factors of the given polynomial
https://brainly.in/question/4594359
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