Question

MATHEMATICS
ane Allowed: 3 Hrs
Maximum
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PART-1
Answer all the 14 questions
Choose the most suitable answer from the given four alternatives and
Write the option code with the corresponding answer
1 Let 70)
Hence is defined for all real numbers except at xs
(d) x = -2
(a)x=1
(c) = 2
If the ordered pairs (a+2, 4) and (5,2a + b) are equal then (a, b) is
(a) (2,-2)
(6) (5, 1)
(c) (2, 3)
Sum of first n odd natural numbers
(a) (3-2)​

Answer 1

Answer:

hence except x=1

a+2=5

therefore a=3

2a+b=4

6+b=4

b=-2

sum of first n odd natural numbers =nsquare