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Q.1 6. એક ગુણોત્તર-શ્રેણીનું $n$ મું પદ $3(2^{n-1})$ હોય, તો સામાન્ય ગુણોત્તર શોધો.

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Q.2 2. એક ગુણોત્તર-શ્રેણીનું પ્રથમ પદ 'a' અને સામાન્ય ગુણોત્તર 'b' છે, તો (n+1) મું પદ જણાવો.

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Q.3 3. ગુણોત્તર-શ્રેણી $1, \sqrt{3}, 3, 3\sqrt{3}, ...$ નું પાંચમું પદ શોધો.

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Q.4 10. જો ગુણોત્તર-શ્રેણીનો સામાન્ય ગુણોત્તર $-1$ અને પ્રથમપદ $-1$ હોય, તો પ્રથમ $6$ પદોનો સરવાળો શોધો.

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Q.5 8. જો $x, 10, -25$ ગુણોત્તર-શ્રેણીમાં હોય, તો $x$ ની કિંમત મેળવો.

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Q.6 ગુણોત્તર-શ્રેણી 0.2,1,5,... નું છઠ્ઠું પદ જણાવો.

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Q.7 9. જો ગુણોત્તર-શ્રેણીનો સામાન્ય ગુણોત્તર $-1$ અને પ્રથમપદ $-1$ હોય, તો પ્રથમ $6$ પદોનો સરવાળો શોધો.

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Q.8 5. ગુણોત્તર-શ્રેણી $\frac{1}{9}, \frac{1}{3}, 1, ...$ નું સાતમું પદ શોધો.

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Q.9 7. ગુણોત્તર-શ્રેણી $0.4, 0.04, 0.004, ...$ નો સામાન્ય ગુણોત્તર જણાવો.

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Q.10 4. એક ગુણોત્તર-શ્રેણીમાં $T_1 = a$ અને $T_5 = \frac{1}{a}$ જ્યાં $a > 0$ હોય તો ત્રીજું પદ મેળવો.