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let f(x)=(x+1)(x+2)(x+3)(x+4)+5 where x is in interval[-6,6].if range of the func is[a,b] where a,b belongs to natural no., find the value of a

let f(x)=(x+1)(x+2)(x+3)(x+4)+5 where x is in interval[-6,6].if range of the func is[a,b] where a,b belongs to natural no., find the value of a

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1 Answers

AJIT AskiitiansExpert-IITD
68 Points
13 years ago

Dear  anshu ,

this is a continuously  increasing function so a  = f(-6) .

a =  (-5) *(-4) *(-3) *(-2) + 5

a = 125

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