Question

Q2.X + an is divisible by x + a only when n is
a) Even
b) Prime
c) Odd
d) Composite
Q3. The expression (a + b + C)3 - (a3 + b3 + c3) factorise to:
a) (a - b)(b -c)(c - a) b)(a + b)(b + c)(c + a)
c) 3(a + b)(b + c)(c + a)
d) 3(a - b)(b -c)(c-a)
b)
3
5
4. If one of the root of the equation 3x2 - 5x + K - O be a reciprocal of the other, the
a) 3
c) 5
d)
Q5. The number of multiple of 7 between 100 and 300 are:
a) 27
b) 28
c) 29
d) 30​

Answer 1

Answer:

ques 2- even

ques 3- 3(a-b) (b-c) (c-a )

ques 4- 5

ques 5 - 28...

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