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Grade: 10
        The sum of the terms of an infinite geometric progression is 3 and the sum of the squares of the terms is 81 .find the first term of the series ...Please give me full prosses not short hints
2 years ago

Answers : (1)

Aditya srinivas
52 Points
							Given that the sum of the infinite terms is equal to 3 and sum of squares of the series is 81 we know the formula for infinite series as {a/1-r} a is the first term and r is the common ratio then apply the formula for both the series and solving both we get the first term
						
2 years ago
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