1.

he quaureatic equation xi-2kx 6 0, then find the value of k2. In an AP, if the common difference (d):-4, and the seventh term (a7) is 4, then find the firsterm

Answer»

Asfor any n term aₙ= a+(n-1)dso for 7 th term it will be a+6dthen we put the value of d hereand got our results



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