Question

plzzz help me out guyzz​

Answer 1

in Δ PQS

PS^2+QS^2=PQ^2

a^2-c^2=PS^2.....1

similarly

in Δ PRS

b^2-d^2=PS^2.....2

from 1 and 2

a^2-c^2=b^2-d^2

a^2-b^2=c^2-d^2

(a+b)(a-b)=(c+d)(c-d)

hence proved

hope this helps you

Answer 2

hey mate

here is your answer

hope it's helpful for you