CBSE Class 12-science Answered
Matrix
Asked by Shivangi | 11 Apr, 2018, 12:34: PM
Expert Answer
According to the question you can verify that
A2 = I
→ A3 = A2 × A
= I × A
= A
→ For the even powers of A will be I.
Summation of (cosx θ + sinx θ) on even powers.
Summation of (cosx θ + sinx θ) on even powers.
You can solve by separating two series and using geometric progression separately on cosx θ and sinx θ.
Answered by Sneha shidid | 12 Apr, 2018, 09:57: AM
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