Question

17.
यदि ax2 + bx+c= 0 के मूल समान हों तो निम्नलिखित में कौन सत्य है ?​

Answer 1

Answer:

b^2 - 4ac=0

Step-by-step explanation:

We know that to find the roots we have

$- b \frac{ + }{ -} \sqrt{ {b {}^{2} } - 4ac} \: \div 2a$

If roots are equal b^2 - 4ac=0 (discriminate)

Answer 2

Answer:

ssale etna maar khayegana ki maar he jayega, anpadh gavar nahi aata toh kyo likh kar batta raha aapni aukat