7y²-11/3y-⅔
question of class 10 polynomial
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Answer:
p(y) = 7y² – (11/3)y – 2/3
= 1/3 (21y² – 11y – 2)
= 1/3 [(7 y 1)(3y – 2)]
∴ Zeroes are 2/3, –1/7
Sum of zeroes =(2/3) – ( 1/7)
= -2/21
-b/a = 11/21
∴ sum of zeroes = -b/a
Product of zeroes = (2/3) – ( 1/7)
= – 2/21
c/a = – (2/3) (1/7)
= – 2/21
∴ Product =c/a
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