प्रश्नावली 4.1
1. जाँच कीजिए कि क्या निम्न द्विघात समीकरण हैं :
(i) (x+ 1)² = 2(x-3)
(ii)x-2x = (-2) (3-X)
Answers
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(1) x²+2x+1 = 2x- 6
x²-5 =0
so, it is not a quadratic equation.
(2)x-2x=-6+2x
3x+6=0
so, it is not a quadratic equation.
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