Math, asked by raiyanfaisalyousufud, 1 month ago

Factorise: (i) 49y2 + 84yz + 36z2 (ii) 16x5 – 144x3

Answers

Answered by Anonymous

4

Step-by-step explanation:

( a ) 49y2 + 84yz + 36z2

= ( 7y ) ² + 2 × 7y × 6z + ( 6z )²

= ( 7y + 6z )²

( b ) 16x5 −144x 3

⇒16x 3 (x ² −9)

⇒16x 3 (x−3)(x+3)

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