(Mathematics) , (NCERT) , class X chapter-Quadratic Equations exercise-4.1 question 1 all parts _ i,ii,iii,iv,v,vi,vii and viii

Question 1) Check whether the following are quadratic equations:

i) solution 👇🏻

ii) solution 👇🏻

iii) solution 👇🏻

iv) solution 👇🏻

v) solution 👇🏻

vi) solution 👇🏻

vii) solution 👇🏻

viii) solution 👇🏻