MCQ of Maths Class 9
a3+b3 is equal to:
(a-b)(a2+ab+b2)
(a+b)(a2-ab+b2)
(a-b)(a2-ab+b2)
(a-b)(a2+ab-b2)
In 49+3√5=/4-3√5 = x+y√5, the values of x and y are:
-61/29,-24/29
60/29,50/29
-41/29,-25/29
None of these
Logamn = …………………… .
Logam-logan
Logam = Logan
Logam = Logan
None of these
Degree of polynomial 2x4y3 + x2y2 + 8x:
4
1
8
7
Characteristics of logarithm may be ……………… .
Positive
Negative
Positive or negative
None of these
(√a+√b)(√a-√b) is equal to:
a2+b2
a2-b2
a-b
a+b
a2-b2/a+b = ………….
a-b
(a-b)2
a+b
(a+b)2
Loga1 = ………………………… .
a
1
0
None of these
√14√35=_________
7√10
6√10
5√10
4√10
Sum of the two monomial surds called:
Monomial
Binomial
Trinomial
None of these
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