a+b = 4 and ab=3 Find a and b
Answers
Answered by
0
Answer:
a + b = 4 ⇒ b = 4 - a --------(i)
ab = 3
put value of b
a(4 -a) = 3
4a - a² = 3
a² - 4a + 3 = 0
a² - a - 3a + 3 = 0
a(a -1)-3 (a - 1) = 0
(a - 3)(a - 1) =0
a - 3 = 0 ; a - 1 = 0
a = 3 ; a = 1
put a = 3 in eq.-(i)
b = 4 - 3 = 1
put a = 1 in eq.--------(i)
b = 4 - 1 = 3
Similar questions