76
56
−56
−76
Correct answer is D
Expanding (x+1)(x−2)=x2−2x+x−2=x2−x−2
∫0−1(x2−x−2)dx=[x33−x22−2x]0−1
= [03−02−2×0−(−133−−122−2×−1)]
= 0+13+12−2=−76
Note: This can also be solved using integration by parts.
∫uvdx=u∫vdx−∫u′(∫vdx)dx.
Simplify \frac{\tan 80° - \tan 20°}{1 + \tan 80° \tan 20°}...
If 3x^2 + p x + 12 = 0 has equal roots, find the values of p ....
Consider the following statements: p: Birds fly q: The sky is blue r: The grass is green W...
Marks 0 1 2 3 4 5 Number of candidates 6 4 8 10 9 3 The table above sh...
There are 7 boys in a class of 20. Find the number of ways of selecting 3 girls and 2 boys ...