find square by using identity 15 square
Answers
Answered by
3
The Square of 15 is 225.
Answered by
1
Answer:
225
Step-by-step explanation:
by using formula (a+b)^2=a^2+b^2+2ab
(10+5)^2
=> 10^2+5^2+2×10×5
=> 100+25+100
=> 225. ans
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