श्रेढ़ी (5a-x),6a, (7a-x), ......... का 51 वाँ पद ज्ञात करो।
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Answered by
1
Answer:
please say in English cannot understand
Answered by
1
Answer:
Common difference=6a-(5a-x)
=6a-5a+x=a+x
51th term=(5a-x)+(51-1)(a+x)
=5a-x+50a+50x
=55a-49x
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