Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects

RELATED QUESTIONS

Alternating Signs

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIf \(a_n=(-1)^n(n+2)\), what is the value of \(a_6+a_7\)?Class 9Sequences and Progressionsnth termLevel 57MediumMathematicsWhich is the nth term of the sequence −1, 4, −9, 16, −25, …?Class 9Sequences and Progressionsnth termLevel 56HardMathematicsIf (a_n=(-1)^n(2n+3)), what is (a_6)?Class 9Sequences and Progressionsnth termLevel 57EasyMathematicsWhich of the following sequences is a geometric progression in which each term is obtained by multiplying the preceding term by the same fixed number?Class 9Sequences and ProgressionsGeometric ProgressionLevel 54ExpertMathematicsIn a sequence, g₁ = 10 and gₙ = gₙ₋₁ + (−1)ⁿn². What is the value of g₅?Class 9Sequences and ProgressionsRecursive ruleLevel 46ExpertMathematicsIn a sequence, s₁ = 3 and sₙ = sₙ₋₁ + (−1)ⁿn. What is the value of s₅?Class 9Sequences and ProgressionsRecursive ruleLevel 45MediumMathematicsIf (a_1=50) and (a_{n+1}=a_n-(-1)^n(n^2+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44ExpertMathematicsIf (a_1=4) and (a_{n+1}=2a_n+(-1)^n(2n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44ExpertMathematicsIf (a_1=12) and (a_{n+1}=a_n+(-1)^n(3n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 47HardMathematicsIf (a_1=12) and (a_{n+1}=a_n+(-1)^n(3n+1)), what is (a_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 47HardMathematicsIf (a_1=30) and (a_{n+1}=a_n-(-1)^n(2n+1)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46HardMathematicsIf (a_1=5) and (a_{n+1}=2a_n+(-1)^n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46HardMathematicsIf (a_1=6) and (a_{n+1}=a_n+(-1)^n(2n)), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45HardMathematicsIf (a_1=8) and (a_{n+1}=a_n+2(-1)^n+n), what is (a_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 46MediumMathematicsIf (a_1=8) and (a_{n+1}=a_n+2(-1)^n+n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 46MediumMathematicsIf (a_1=5) and (a_{n+1}=a_n+(-1)^{n+1}n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 45MediumMathematicsIf (a_1=5) and (a_{n+1}=a_n+(-1)^{n+1}n), what is (a_5)?Class 9Sequences and ProgressionsRecursive ruleLevel 45MediumMathematicsIf (a_1=4) and (a_{n+1}=a_n+2(-1)^n), what is (a_3)?Class 9Sequences and ProgressionsRecursive ruleLevel 44MediumMathematicsIf (a_1=4) and (a_{n+1}=a_n+2(-1)^n), what is (a_4)?Class 9Sequences and ProgressionsRecursive ruleLevel 44MediumMathematicsIf (a_n=5n-(-1)^n), what will be the value of (a_8)?Class 9Sequences and ProgressionsSequencesLevel 41Expert