Which of the following square number is the difference between the 49th even number after 1575 and 70th even number before 1028?
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Step-by-step explanation:
Given number 1575
next even number a = 1576 , d = 2
49th even no.= a +48d
1576+48×2= 1672---(1)
Let b = 1028, d = -2 , f
70th even number before 1028
= 1028 +69(-d)
= 1028 - 69 × 2
= 1028 - 138
= 890 ---(2)
Difference of 1672 and 890
= 1672 - 890
= 782
HOPE THIS HELPS.....
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