I have doubt in question no..5,6and 7also.
aap phle bhi yh question puchh chuke hai, usme apko solve de diya gya hai . plz check in that question.
Rest partbis this
so soory 6th answer is having some mistakes
I just forgot to put square root in the formula this is correct formula
5.x=5,2 6.x=2,1 7. x=(root1+6)/2,( root1-6)/2
