Question

please anyone solve these questions and if you do not know please don't answer useless answers otherwise I will report that answer​

Answer 1

Step-by-step explanation:

see

jo bhi (a-b)² pe break hota h wo hi perfect trinomial square h

and b me

is formulae pe break karo to missing one aa jaayega

thanx shreya

Answer 2

10%of 500=50,total 500+50=550₹ for sudhir

15%of 550=82.5,total 550+82.5=632.5₹