(i)

_{We have,}

=

Hence,

= 5

(ii)

_{We have,}

=

Hence,

=

(iii)

We have,

=

= 4 × 3

Hence,

= 3

(iv)

_{We have,}

= =

=

Hence,

=

(v)

_{We have,}

=

=

Hence,

=

(vi)

_{We have,}

=

=

Hence,

=

(vii)

We have,

=

Hence,

=

(viii)

We have,

=

Hence,

=

(ix)

= 8