Algebraic Identity-Difference of Square:
We can prove this identity by multiplying the expressions on the left side and getting equal to the right side expression. Here is the proof of this identity.
Let's begin with the left side of the expression. We have
which is equal to the right side of the identity. Hence proved.
Example: .
Solution:
Example Solve 15 X 25
Solution: 15 X 25
= (20-5) X (20 +5)
=
=400-25
= 375
Right Option : B | |||
View Explanation |
Multiply: by | |||
Right Option : A | |||
View Explanation |
Evaluate | |||
Right Option : B | |||
View Explanation |
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