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MCQs

ma Questions with solutions MCQs

1. if a, b, c are in AP then:

A

b = a + c

B

2b = a + c

C

b² = a + c

D

2b² = a + c

ma KUET MCA 2022

Correct Answer : B
Explanation :

When $a, b, c$ are in A.P.,
First term is $t_{1} = a$ Second term $t_{2} = a + d = b$ third term is $t_{3} = a + 2 d = c$ Now $a + c = a + (a + 2 d) = 2 a + 2 d = 2 (a + d) = 2 b$

$\Rightarrow a + c = 2 b$

Correct Answered :

Wrong Answered :

2. The solution of the differential equation dy = (1 + y²)dx is

A

y = tanx + c

B

y = tan(x + c)

C

tan^-1(y + c) = x

D

tan^-1(y + c) = 2x

ma KUET MCA 2022

Correct Answer : B
Explanation :

y = tan(x + c)

Correct Answered :

Wrong Answered :

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