[" Let "S(k)=1+3+5+...+(2k-1)=3+k^(2)." Then which "],[" of the following is true? "],[[" (a) "S(k)rArr S(k-1)," (b) "S(k),rArr S(k+1)]]

Let S(K) =1+3+5+….+(2K-1)=k^(2) +3 . Then which of the following is true?

Let S(k): 1+3+5+…+(2k-1) =3+k^(2), state which of the following is true-

Let S(k) = 1 + 3 + 5 +...+ (2k -1) = 3 + k^2 . Then which of the following is true ? (A) S(1) is correct (B) S(k)=S(k+1) (C) S(k) != S(k+1) (D) Principal of mathematical induction can be used to prove the formula

If (tan3A)/(tanA)=k(k!=1) then which of the following is not true?

If (tan3A)/(tanA)=k(k!=1) then which of the following is not true? (a) (cosA)/(cos3A)=(k-1)/2 (b) (sin3A)/(sinA)=(2k)/(k-1) (c) (cot3A)/(cotA)=1/k (d) none of these

If (tan3A)/(tan A)=k(k!=1) then which of the following is not true? (a) (cos A)/(cos3A)=(k-1)/(2)(b)(sin3A)/(sin A)=(2k)/(k-1)(c)(cot3A)/(cot A)=(1)/(k)(d) none of these

If (tan3A)/(tanA)=k(k!=1) then which of the following is not true? (a) (cosA)/(cos3A)=(k-1)/2 (b) (sin3A)/(sinA)=(2k)/(k-1) (c) (cot3A)/(cotA)=1/k (d) none of these