यदि \(a_1=3\) और \(a_{n+1}=2a_n+2\) है तो \(a_3-a_2\) का मान क्या होगा?
If \(a_1=3\) and \(a_{n+1}=2a_n+2\), what is the value of \(a_3-a_2\)?
Explanation opens after your attempt
B. (10)
Concept
The terms are (3,8,18), so \(a_3-a_2=18-8=10\). Exam tip: find both terms first and then subtract.
Why this answer is correct
The correct answer is B. (10). The terms are (3,8,18), so \(a_3-a_2=18-8=10\). Exam tip: find both terms first and then subtract.
Exam Tip
पद (3,8,18) हैं इसलिए \(a_3-a_2=18-8=10\) है। पहले दोनों पद निकालें फिर घटाएँ।
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