InterviewSolution
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InterviewSolution
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Find the 11th term from the last term (towards the first term)of AP :10,7,4...,-62... |
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Answer» First we have to find the number of terms Firt term(a)=10Common difference(d)=(-3)An=a+(n-1)d-62=10 +(n-1)(-3)-62-10=3-3n-72-3=-3n75=3nn=25Now As we have to find the 11th term from the last therefore First term(a)=(-62)Common difference(d)=(3) Then A11=a+(n-1)d A11 = -62+ (25-1)(3) (n=25) A11= -62 + (24)(3) A11 = -62+72 A11=10 Dhh |
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