write z=-5+2i in the polar form
2(7 + 2 × 3) + 4 ÷ 1/6
1+4+4
2
+⋯+4
n
=
3
4
n+1
−1
for all non-negative integers n.
x - y = 5,2x + y = 1
seven plus negative one minus four
Use mathematical induction to prove that 1 + 4 + 42 + ⋯ + 4𝑛 = (4𝑛+1−1)/3 for all non negative integers n.
(x+2):(x+7) = 7:4. Find x
What number comes next in the series? 31, 1031, 402, 16, ____
For what value of c
is the function f(x)=c,2,(x^2−9)/(x+3)(x−4),x=−3, x=1, otherwise
continuous at x=−3?
write 1 apon 3 as per cent
