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In an AP, the \(11\)th term is \(52\) and the common difference \(d=5\). Find \(a_2\).एक AP में \(11\)वाँ पद \(52\) है और समान अंतर \(d=5\)। \(a_2\) का मान ज्ञात कीजिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(7\)\(7\)
For an AP, \(a_n=a_1+(n-1)d\). Given \(a_{11}=52\) and \(d=5\): \(52=a_1+10\cdot 5=a_1+50\Rightarrow a_1=2\). Then \(a_2=a_1+d=2+5=7\).AP में \(a_n=a_1+(n-1)d\) होता है। दिया है \(a_{11}=52\) और \(d=5\): \(52=a_1+10\cdot 5=a_1+50\Rightarrow a_1=2\)। फिर \(a_2=a_1+d=2+5=7\).
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