[=sqrt(7+sqrt(7+sqrt(7+....)))(n" करणी चिह्न सहित ")],[4" (b) "p_(n)<3],[4" (d) इनमें से कोई नही "]

log_7log_7sqrt(7(sqrt(7sqrt(7))))=

sqrt(7+4sqrt3) - sqrt(7-4sqrt3) =

(3+sqrt(7))/(3-sqrt(7))=a+b sqrt(7)

root(T)(7+sqrt(7-sqrt(7+sqrt(7-.........))))

log_(7)log_(7)sqrt(7(sqrt(7sqrt(7))))=

If a_n = sqrt(7+ sqrt( 7+sqrt7+ ....... ))) having n radical signs then by methods of mathematical induction which is true