ap expert zero term se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
2 questions tagged with ap expert zero term.
In an AP \(a_{22}=0\) and \(a_{58}=-468\). What is \(a_1\)?
C. (273)
From (36d=-468), (d=-13). \(a_1=a_{22}-21d=273\).
The correct answer is C. (273). From (36d=-468), (d=-13). \(a_1=a_{22}-21d=273\).
(36d=-468) से (d=-13)। \(a_1=a_{22}-21d=273\)।
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In an AP, \(a_{20}=0\) and \(a_{50}=-270\). What is \(a_1\)?
B. (171)
From (30d=-270), (d=-9). \(a_1=a_{20}-19d=171\).
The correct answer is B. (171). From (30d=-270), (d=-9). \(a_1=a_{20}-19d=171\).
(30d=-270) से (d=-9)। \(a_1=a_{20}-19d=171\)।
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