Find the value of 95×95 using the algebraic identity.
Compute the required value
Given expression is 95×95
We know that a-b2=a2+b2-2ab
⇒95×95=952=100-52
=1002+52-2×100×5
=10000+25–1000
=9025
Hence the value of 95×95 is 9025
Using suitable algebraic identity, find the value of (4.9)2.