Math, asked by salmanmalik111malik, 6 months ago

a के किस मान के लिये द्विघात
समीकरण 9x^2-3ax+1%D0 के मूल
समान हो
+4,4
+2.2
+3,3
+5,5​

Answers

Answered by mohdarslaan219
1

Answer:

if roots are equal, then

b^2 = 4ac

here, a=9, b= -3a, c = 1

(-3a)^2 = 4*9*1

9*a^2 = 36

a^2 = 4

a = +2,-2

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