alleryx^2 - 9x + 20 = 0 ৰ মূলসমূহৰ যোগফল হ'ল
A4
B9
C5
D20
Answer & Solution
Correct answer: B. 9
সমীকৰণটোৰ উৎপাদকীকৰণ হ'ল (x - 4)(x - 5), গতিকে মূলসমূহ হ'ল 4 আৰু 5, যাৰ যোগফল 9।
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