To have F + 2 5/7 = 4, F must be equal to
1
2
12/7
22/7
Question 12
(−11)×7 is not equal to
(a) 11×(−7) (b) −(11×7) (c) (−11)×(−7) (d) 7×(−11)
If f(1) = 3, f'(1) = 2 and f"(1) = 4 and let f−1(x)=g(x), then g"(3) is equal to
Factorise a2+1a2+2−7a−7a
f(x) = ax7 + bx3 + cx − 5 where a,b,c are constants. If f(−7) = 7 then f(7) equals to