Assertion: If sum of the first n term of AP is given by Sₙ=3n²-4n.
Then ita nᵗʰ ter is aₙ=6n-7. Reason:nᵗʰ term of an AP, whose sum to n terma is Sₙ, is given by aₙ=sₙ-sₙ1
A. (c) Assertion (A) is true but reason (R) is false.
B. (a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
C. (d) Assertion (A) is false but reason (R) is true.
D. (b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).