SuperCoaching AE/JE by Testbook
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If f(x)+f(1/x)=f(x)f(1/x), f(4)=65, find f(6).
Anonymous Quiz
14%
17
37%
37
47%
217
2%
257
If f(x) = x² + 2x + 1, then f(√2 - 1) = ?
Anonymous Quiz
23%
2
40%
1
31%
√2
6%
0
If f(x) + f(1/x) = x + 1/x, then f(x) is:
Anonymous Quiz
27%
x
40%
1/x
28%
x^2
5%
x+1
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A body of mass 2kg has initial velocity 1m/s. A force acts for 2s, gives it velocity 2m/s. The work done is?
Anonymous Quiz
17%
3J
60%
4J
22%
2J
1%
5J