निम्न में से क्या द्विघात समीकरण है?
A.
plzz solve itt
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X square - 79 is equal to X square + 9 X + 11
X square - 79 is equal to x square - 9 x minus 1 is equal to zero
-9 x minus 8 is equal to zero
9 X + 80 is equal to zero
9 X + 80 is equal to zero
Anta dvighat antaya doghat samikaran hai solve.
First time likh raha hun to
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