an important question from the book -ML aggarwal( avichal publication)class 10th , chapter9, arithmetic progression …….. This type of question has been asked in paper. so please solve it in detail. we have been asked
Clasa 10, ML Publication,
Check whether -150 is a term of the AP 11, 8, 5, 2?
Arithmetic Progression Chapter 3 question no. 7(i)
Rajan@2021Guru
Check whether -150 is a term of the AP 11, 8, 5, 2?
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D=−3
a+(n−1)d=−151
11+(n−1)−3=−151
11−3n+3=−151
−3n=−165
n=55
55thterm