if apha ,beta are zeroes of x^2+5x+5 find the value of alpha-1+beta-1 and 1/alpha+1/beta-2alpha×beta
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Answer:
alpha + beta = -b/a = -5
alpha X beta = c/a = 5
according to ques.
alpha-1 + beta-1 = 1/alpha + 1/beta
=alpha + beta/alpha X beta {Taking LCM}
= -5/5 {Putting values of alpha + beta and alpha X beta}
=-1
Hence, the answer is -1.
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