SRM University 2007 B.Tech MODEL - Question Paper

5
2
1/ 3
dy
dx
(d) cotx.
91. The differential formula found by eliminating a and b from the relation y = a cos(4x+b) is
(a) (D3 – 16 D – 1)y = 0
(b) (D2 – four D)y = - 4
(c) (D2 + 16)y = 0
(d) (D2 – 16)y = - 4
92. If y = 2x+c is a tangent to the parabola y2 = 16x, then the value of c is
(a) 4
(b) 9
(c) 5
(d) 2
93. The center and 1 vertex of an ellipse of eccentricity 0.5 are (3,1) and (3,5). Its formula is
(a)
(b)
(c) 4(x - 3) two + 3( y -1) two = 48
(d) 3(x - 3) two + four (y -1) two = 48
94. The length of semi latus rectum of the ellipse 16x two + 25y two = 400 is
(a) 16 / 5
(b) 16 / 25
(c) 25 / 16
(d) 32 / 5
95. The angle ranging from the curves x two + y two = eight and x two - 4x + y two = 0 is
(a) p / 2
(b) p / 3
(c) p / 4
(d) p / 6
96. formula of the hyperbola whose vertices are (•}3,0) and foci (•}5,0) is
(a) 16x two - 9y two =144
(b) 9x2 -16y two =144
(c) 25x2 - 9y two = 225
(d) 9x2 - 25y2 = 81
(x - 3) two (y - 1) 2
16 + one two = 1
(x - 1) two (y - 1) 2
16 12
+ = 1
97. If (a x b) x c = a x (b x c) then which of the subsequent incorrect?
(a) c x a = 0
(b) ( c x a ) x b = 0
(c) ( c x a ) . b = 0
(d) c . a = 0
98. If a, b and a + b are the vectors having equal magnitude then the angle ranging from
a and b is
(a) p / 3
(b) 2p / 3
(c) p / 4
(d) 3p / 4
99. For the subsequent distribution
The value of P[1 < x = 2] is
(a) 1/9
(b) 1/3
(c) 5/9
(d) 2/9
100. For a binomial distribution with mean six and S.D = v2 , the value of n is
(a) 3
(b) 6
(c) 9
(d) 12
x -1 0 one two three 4
P(x) 1/9 2/9 1/9 1/3 1/9 1/9
PART five : Biology
101. Cryptogamic plants are
(a) Bryophytes

Earning:   Approval pending.