Question

Q. 6. Find the square root of 7921.
Q. 7. Find the cube root of 10648.
Q. 8. Factorise : a2 + 8a + 16.​

Answer 1

Answer:

Hence, the square root of 2304 is 48

Answer 2

square root of 7921 is 89

cube root of 10648 is 22

a2+8a+16

=a^2+8^a+4^2

=a^2+(2×a×4)+4^2

=a^2+4^2+(2×a×4)

using (x+y^2)=x^2+y^2+2xy

=(a+b)^2

Step-by-step explanation:

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