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" 9.The mean of "1^(2),2^(2),3^(2),4^(2)...

" 9.The mean of "1^(2),2^(2),3^(2),4^(2),5^(2),6^(2),7^(2)" is: "

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The value of the determinant |{:(1^(2),2^(2),3^(2),4^(2)),(2^(2),3^(2),4^(2),5^(2)),(3^(2),4^(2),5^(2),6^(2)),(4^(2),5^(2),6^(2),7^(2)):}| is

The mean of 1^2, 2^2, 3^2, 4^2, 5^2, 6^2, 7^2 is (a) 10 (b) 20 (c) 30 (d) 40

|[1^(2),2^(2), 3^(2),4^(2)],[2^(2),3^(2),4^(2),5^(2)],[3^(2),4^(2),5^(2),6^(2)],[4^(2) ,5^(2), 6^(2) ,7^(2)]|

The value of ((6^(-1)7^(2))/(6^(2)7^(-4)))^((7)/(2))xx((6^(-2)7^(3))/(6^(3)7^(-5)))^(-(5)/(2)) is

(1^(2)-2^(2)+3^(2)) + (4^(2)-5^(2)+6^(2))+(7^(2)-8^(2)+9^(2))….30 terms

(1^(2)-2^(2)+3^(2)) + (4^(2)-5^(2)+6^(2))+(7^(2)-8^(2)+9^(2))….30 terms

Find the rank of the matrix A = [[1^2,2^2,3^2,4^2],[2^2,3^2,4^2,5^2],[3^2,4^2,5^2,6^2],[4^2,5^2,6^2,7^2]]

Evaluate the determinant |(1^2, 2^2, 3^2,4^2),(2^2,3^2,4^2,5^2),(3^2,4^2,5^2,6^2),(4^2,5^2,6^2,7^2)|

What is the mean of 1, 2, 3, 4, 5, 6, 7 ?

STATEMENT -1: The tens digit of 1! + 2! + 3! + 4! + 5! +........... + 50! is 1. STATEMENT-2 : The sum of divisors of 2^(4)3^(5)5^(2)7^(3) is 2^(5).3^(6).5^(3).7^(4) - 2.3.5.7.