- a² + b²
- a² – b²
- (a + b)² – (a – b)²
- (a + b)² + (a – b)²
Related MCQs
What is the distance of the point Q(2, 1) from the origin?
A.
3
B.
√5
C.
√3
D.
2
Correct answer is:
B. √5
Do you agree with this answer?
Solve: 3⁰ × 5⁰ × 7⁰
A.
0
B.
105
C.
35
D.
1
Correct answer is:
D. 1
Do you agree with this answer?
Which number is incorrect in the sequence 1, 9, 27, 49, 81, 121?
A.
27
B.
49
C.
81
D.
121
Correct answer is:
A. 27
Do you agree with this answer?
There were 600 students in a school. Each offered either English or Hindi or both. If 75% offered English and 45% Hindi, how many offered both?
A.
B.
C.
D.
Correct answer is:
A.
Do you agree with this answer?
Two trains are moving in opposite directions at speeds of 60 km/h and 90 km/h. The distance between them is 300 km. After how much time will they meet?
A.
1 hour
B.
2 hour
C.
3 hour
D.
4 hour
Correct answer is:
B. 2 hour
Do you agree with this answer?