Find the nth term Un of the A.P., 11, 4, -3,....... .
...Find the nth term Un of the A.P., 11, 4, -3,....... .
Un=19+7n
Un=19-7n
Un=18+7n
Un= 18-7n
Un= 17-7n
Correct answer is D
A.P 11, 4, -3
1st term = 11
A.P = a, a + d, a + 2d ...... a + (n - 1)d
If a = 11
a + d = 4
d = 4 - 11 = -7
nth term = a + (n-1)d
= 11 + (n-1)(-7)
= 11 - 7n + 7
= 18 - 7n
Given that P = x2 + 4x - 2, Q = 2x - 1 and Q - p = 2, find x...
Integrate \(\frac{x^2 -\sqrt{x}}{x}\) with respect to x ...
Simplify \(4 - \frac{1}{2 - \sqrt{3}}\)...
Simplify: \(\frac{54k^2 - 6}{3k + 1}\)...
The table above shows the frequency of children age x years in a hospital x 1 2 3 ...
If x \(\alpha\) (45 + \(\frac{1}{2}y\)), which of the following is true>?...