Question

solve Q1 a
write the answer with solution set

Answer 1

Q.1 समझ नहीं आया।

Q.2

Sol_n:- a=3, b=2, c= -1

3ab - 2b^2 + 4abc

= 3.3.2 - 2.2^2 + 4.3.2.-1

= 18 - 8 - 24

= -14 @ns...

Q.3

Sol_n:- Area of rectangle = l×b

or, 810 m^2 = 54m × b

or, b = 810/54 m

.

. . b = 15 m @ns...