Question

Find the sum of the GP:
(i) √7 + √21 +3√7 +... to n terms
(i) 1-1/3+1/3²-1/3³+...to n terms
(iii) 1-a+a² -a³+... to n terms (a ≠1)
(iv) x³ + x^5 + x^7 +... to n terms
(v) x(x + y) + x²(x² + y²) +x³ (x³ + y ³) + ... to n terms
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Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

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