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Anybody are in 11class now onwards…. please help me in study✏​

By Lydia

Anybody are in 11class now onwards…. please help me in study✏​

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Lydia

1. The pth, qth, rth terms of AP are a, b,c respectively. Show that: a(q + r) + b(r – p) + c(p – 9) = 0.​

Q-18- A number when increased by 45% becomes 725.Find the
number.
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