Question # 1

d/dx a^x is

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xa^x-1

a^x

x in a

a^x in a

In the figure angle A is =

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15

60

90

20

∫cot (ax + b) dx =

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1/a log |sin (ax + b)| +c

1/a log |cos ax + b)

1/b |sin (ax + b)|

1/a log |sin (bx + a)|

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

Period of Sin 2x =

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π

4π

2nπ

2π

Which of the following is solution of Tan² x = 1/3

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7π/6

5π/6

π/6

All

If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

If A and B are two events then P(A∪B) =? (when A and B are disjoint)

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P(A) - P(B)

P(A) x P(B)

P(A) + P(B)

P(A) + P(B) -P(A∩B)

Area of ΔABC=

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ab sin α

1/2 ab sin α

1/2 ac Sin γ

1/2 ac Sin β

d/dx (3y⁴) =

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12y³ dy/dx

8y³

8y³ dy/dx

12y³

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

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NAT I General Science Mathematics MCQs With Answers

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