In the binomial expansion of (1+x/k)^n where k is a non zero constant, n is an integer and n> 1, the coefficient of x^2 is three times the coefficient of x^3 . Show that k =n-2.

what is the rest of the question? ?

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answer:   he will receive $21093.75 only.

explanation:

since we have given that

cost of house = $180,000

since he has a coinsurance clause of 75%,i.e. he does not fully insured his property.

amount the owner insured for the property = $101,250.

amount he lost in damage = $50,000

amount he will receive from insurance is given by

so, he will receive $21093.75 only.