- a² + b²
- a² – b²
- (a + b)² – (a – b)²
- (a + b)² + (a – b)²
Related MCQs
Nm⁻² is SI unit of:
A.
Energy
B.
Work
C.
Density
D.
Pressure
Correct answer is:
D. Pressure
Which one of the following is the correct answer?
A.
Lectures are delivered in class, and activities are completed at home
B.
Teachers spend most of the class time grading papers
C.
There is no distinction between classroom and homework activities
D.
Students complete all work in the classroom under teacher supervision
Correct answer is:
A. Lectures are delivered in class, and activities are completed at home
If the sum of two numbers is 50 and their ratio is 3:2, what is the smaller number?
A.
30
B.
25
C.
20
D.
10
Correct answer is:
C. 20
A sequence is called Arithmetic if it has:
A.
Addition
B.
Common difference
C.
Common ratio
D.
None of these
Correct answer is:
B. Common difference