App Logo

No.1 PSC Learning App

1M+ Downloads
a+b =12, ab= 22 ആയാൽ a² + b² എത്രയാണ്?

A188

B144

C34

D100

Answer:

D. 100

Read Explanation:

a+b =12, ab= 22 a² + b² = (a+b)² - 2ab = 12² - 2× 22 = 144 - 44 = 100


Related Questions:

If 3/11 < x/3 < 7/11, which of the following values can 'x' take?

The value of 5.35×5.35×5.35+3.65×3.65×3.6553.5×53.5+36.5×36.553.5×36.5\frac{5.35\times{5.35}\times{5.35}+3.65\times{3.65}\times{3.65}}{53.5\times{53.5}+36.5\times{36.5}-53.5\times{36.5}} is:

f (a + b + c) = 12, and (a2 + b2 + c2) = 50, find the value of (a3 + b3 + c3 - 3abc)

A student wrote x5x x3=x15 As a mathematics teacher, you:

5x², -7x², 13x², 11x², -5x² എന്നിവയുടെ ആകെത്തുക കണ്ടെത്തുക