Question

if the interest on rupees 340 for 2 years the rate of interest must be __________
12% 15% 4% 10%
total surface area of the cube _________
( 2L+2b), L×b, 4a, 6L²
(a+b) = _______
(a²-2ab+b²), ( a+b)(a-b)​

Answer 1

Answer:

first question is not complete.

total surface area of cube = 6a^2

third question is wrong. it should be (a + b) ^2 = (a^2 - 2ab + b^2)