Albert Einstein was awarded the Nobel Prize in Physics in 1921 for his discovery of the law of the photoelectric effect, which was a pivotal step in the development of quantum theory.
If (a3+1)/(a+1) = (a3-1)/(a-1) and a ≠ 1, -1. Find the value of 'a'
A shopkeeper marked his article 25% above its cost price and offered a discount of 30%. If cost price of the article is Rs. 560, then find profit or los...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
Find the value of ‘x’ in the given expression:
(49/16)x× (64/343)x-1= 4/7
If 2x + y = 15 and xy = 18, then the value of (4x² - y²)
If √x + 1/√x = 2 then find the value of 3x2 + 1/3x2.
If 2x+1, x+2, 2 and 5 are in proportion, then what is the mean proportional between 3.5(1-x) and 8(1+x)?
If (a – 8) 2 + (b + 2) 2 + (c – 3) 2 = 0, then find the value √(a +b + c).
...If x + y + z = 4, xyz = 6 & x2 + y2 + z2 = 8 then find the value of x3 + y3 + z3.
