Math, asked by karthikg3456, 13 hours ago

1) The n term of an A.P. having first term a and common difference d is
a) an = a+(n+1)d b) an = a+(n–1)d c) an =
2
n
(a + l ) d) an =
2
n
(a – l )
2) The graph for the given pair of linear equations in two variables
when




=


is
a) Parallel lines b) coincident lines
c) perpendicular lines d) intersecting lines
3) The maximum number of parallel tangents a circle can have
a) 1 b) 2 c) 0 d) infinite
4) 1 + tan2A is equal to ……..
a) sin2A b) cos2A c) sec2A d) cosec2A
5) “The product of two consecutive positive integers is 30” this can be expressed
as…….
a) x(x+2) = 30 b) x(x-2) = 30 c) x(x-3) = 30 d) x(x+1) = 30
6) The value of the discriminant of the quadratic equation 2x2
– 5x + 3 = 0 is
a) 1 b) 49 c) 0 d) -1
7) If Sin A =

then cosecA is
a)1 b)

c)

d)

8) The coordinates of the midpoint of line segment joining the points (4 ,-3) and (6,5) is
a)(10,2) b) (5,1) c) (5,-1) d) (5,-4)

Answers

Answered by sadashivareddy97
0

Answer:

1. option B

3. option B

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