1.

The sum of 5 term and7 term of an A.P is 52 and it\'s 10 term is 46 .find the A.P

Answer» A+4d +a+6d =522a+10d =52-( 1)A+9d =46-(2) ×22a+18d=92 By eliminating, 2a+10d=522a+18d=92- - - -8d=-40 D=5
Calculate it .Easy hai !! Try urself


Discussion

No Comment Found