If the numbers a,b,c,d,e form an A.P., then the value of a−4b+6c−4d+e is equal to
A
1
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B
2
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C
0
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D
None of these
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Solution
The correct option is C0 Value of a−4b+6c−4d+e=0 1st term =A=a 2nd term =A+D=b 3rd term =A+2D=c 4th term =A+3D=d 5th term =A+4D=e ∴a−4b+6c−4d+e=A−4(A+D)+6(A+2D)−4(A+3D)+(A+4D)