Q. 14.2( 34 Votes )

Use the given let

Answer :

i. Given:

Total number of trees in the village = a


Increase in the number of trees by = b


To find: Number of trees after x years


Number of trees in x years = (a + b) x


ii. Given:


Number of students in each row = y


Number of rows of Students = x


So total number of students = x × y


= xy


iii. For a number in tens place should be multiplied with ten and for the number in units place should be multiplied by one. So the number that can be formed as follows:


Since m is in tens place and n is in units place,


10 × m + 1 × n


10m + n


So the polynomial representing the two digit number is = 10m + n


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