Question # 1

The null vector is regarded to be perpendicular to

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Every vector

In some cases

Both a b

None

24 can be written as a product of

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Odd factors

Even factors

Whole factors

Prime factors

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

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If a,b,c are three non-coplanar vector then [a +b,b +c,c +a] = _____

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[a.b.c]

2[a,b,c]

[abc]-2

2[abc]2

A person standing on the bank of a river observes that the angle subtended by a tree of the opposite bank is 60°, when he retreats 40 m from the bank, he finds the angle to be 30°. The height of the tree and the breadth of the river are

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y + 1 = Ae^x

y + 1 = Axe^x

xe^x= C

y + xe^x= C

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

Arithmetic mean between 14 and 18 is

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16

17

15

32

The number of different ways of describing a set is

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One

Two

Three

Four

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