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Q.1. If
Ans. 2
Q.2. The value of is ([.] denote the greatest integer function)
Ans. 2
Q.3. If then evaluate
Ans. 4
Applying C1→ C1 - C3 and C2→ C2 - C3/ we get
= -16sin3x cos2x - 24 sin2x cos2x - 12 sinx cos2x - 2 cos2x
Q.4. If the area bounded by y = f-1 (x) , x-axis between, x = -1/2 to x = 1/2 is A - In 2, then find A .
Ans. 1
Required area
Let f-1 (x)= t
Q.5. Let y = g(x) be the image of f(x) = x + sinx a bout the line x + y = 0. If the a rea bounded by y = g(x), x-axis, x = 0 and x = 2 tt is A, then A/π2 is ___________
Ans. 2
f(x) is an odd function
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