if x-3 and X-⅓ are. both. factors. of. Ax²+5x+b. show. that a=b
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Put x = 3
9 A + 15 + B = 0
Put x = 1/3
A / 9 + 5/3 + B = 0
A + 15 + 9 B = 0
So, 9 A + 15 + B = A + 15 + 9 B
8 A = 8 B
A = B
Hence Proved
9 A + 15 + B = 0
Put x = 1/3
A / 9 + 5/3 + B = 0
A + 15 + 9 B = 0
So, 9 A + 15 + B = A + 15 + 9 B
8 A = 8 B
A = B
Hence Proved
Anonymous:
thats great
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a is not equals to b
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