Question

441-p2=(21)2-(17)2 explain step by step​

Answer 1

Answer:

२० मत

441-p^2=(21)^2-(17)^2 then, as ee know 441=(21)^2 so (21)^2-p^2=(21)^2-(17)^2=>(21)^2-(21)^2=p^2-(17 ...  आणखी