Aptitude - Square Root and Cube Root - Discussion
Discussion Forum : Square Root and Cube Root - General Questions (Q.No. 9)
9.
The square root of (7 + 35) (7 - 35) is
Answer: Option
Explanation:
| (7 + 35)(7 - 35) | = | (7)2 - (35)2 | = 49 - 45 = 4 = 2. |
Discussion:
24 comments Page 3 of 3.
Rohi said:
1 decade ago
Just apply (a+b)(a-b) = (a^2-b^2) formula.
Sonam said:
7 years ago
Sir, how come 45? please tell me.
Sweety said:
6 years ago
How come 45?
Sree said:
4 years ago
How 45 came?
(2)
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