Question

solve using identity (49) whole square
​

Answer 1

Step-by-step explanation:

Step-by-step explanation:

The square root of 49 can be either - 7 or 7. Solve by using the quadratic formula which gives X=7 or X=-7. The square root of 49 is 7.

Answer 2

Answer:

Here's your answer

Step-by-step explanation:

We have to find (49)^2

By using identity,

(a-b)^2= a^2+b^2-2ab

=(50-1)^2

=(50)^2+1^2 - 2*50*1

=2500+1-100

=2401

Hope it will help you.