Question

द्विघात समीकरण x2 - 7x+12 = 0 के मूल क्या हैं? 1. (-3,-4) 2. (3,4) 3. (6,2) 4. (6,1) ​

Answer 1

Answer:

3. (6,2) is the correct answer

Answer 2

Answer:

factorise x^2-7x+12=0

x^2-3x-4x+12=0

x(x-3)-4(x-3)=0

(x-3)(x-4)=0

This gives

x-3=0, x=3

x-4=0, x=4

Ans 3,4