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37. Let A = { x1x2 + (m – 1)x – 2(m + 1)=0, x ER}
B = { x1(m – 1)x2 + mx + 1 = 0, x = R}
Number of values of m such that

By Madelyn

37. Let A = { x1x2 + (m – 1)x – 2(m + 1)=0, x ER}
B = { x1(m – 1)x2 + mx + 1 = 0, x = R}
Number of values of m such that A U B has
exactly 3 distinct elements, is
(1) 4
(2) 5
(3) 6
(4) 7​

About the author
Madelyn

Dimensions of the floor of a conference hall are 15 m x 12 m. It is floored with square tiles of side 24cm each if the cost of one


(iv)1+tan² A /1+ cot²A =
(A) sec² A
(B) -1
(C) cot² A
(D) tan² A​

1 thought on “37. Let A = { x1x2 + (m – 1)x – 2(m + 1)=0, x ER}<br />B = { x1(m – 1)x2 + mx + 1 = 0, x = R}<br />Number of values of m such that”

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