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Show that 3^(n) xx 4^(m) cannot end wit...

Show that `3^(n) xx 4^(m)` cannot end with the digit 0 or 5 for any natural numbers ‘n’and 'm'

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Knowledge Check

  • If " " ^(n) sqrt(a^(2)) =b , then b^(2n) = …. (a, b gt 0 , n is a natural number )

    A
    ` a`
    B
    ` a^((n)/(2))`
    C
    ` a^(2n) `
    D
    ` a^(4) `

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