Question

please find answers ​

Answer 1

Answer:

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Step-by-step explanation:

By using identity :- $( a + b )^2 = a^2 + b^2 + 2ab$

( √5 + √2 )²

⇒ ( √ 5 )² + ( √ 2 )² + 2( √5 × √ 2 )

⇒ 5 + 2 + 2√( 5 × 2 )

⇒ 5 + 2 + 2√10

⇒ 7 + 2√10

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$12x^2-7x+1$ ----------------------------- [ Splitting the middle term]

⇒ $12x^2-4x-3x+1$

⇒$4x(3x-1)-1(3x-1)$

⇒(4x − 1) (3x − 1)

Answer 2

Step-by-step explanation:

see ans in the form of image .