IIT-JEE Exam

The area enclosed by the curves y = sinx + cosx and y = |cosx - sinx| over the interval [0,90 degree] is

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IIT-JEE Other Question

For a > b > c > 0, the distance between (1, 1) and the point of intersection of the lines ax + by + c = 0 and bx + ay + c = 0 is less than 2 2, then
option
A. a+b-c>0
B. a+b-c<0
C. a-b-c=0
D. None of these Four persons independently solve a certain problem correctly with probabilities 1/2, 3/4 ,1/4,1/8. Then the probability that the problem is solved correctly by at least one of them is