Question

Find the square of (23+ 32) by using Identity 1

Answer 1

Answer:

32)

2

=(30+2)

2

=(30)

2

+2×30×2+(2)

2

[\because\left(a+b\right)^2=a^2+2ab+b^2∵(a+b)

2

=a

2

+2ab+b

2

]

= 900 + 120 + 4 = 1024