Lecture■ 1 |Lec-1 basic maths|Linear equation-Elimination,Substitution & Crossmultiplication methods|1 &2 variables| XI-XII-NEET(UG) -IIT-JEE(MAIN+ADV) | Basic mathematical physics | Linear equation in one and two variables| different methods | #geniusacademy09 #physics #physicsworld #mathematics #basics #linear #equation #variable #maths #elimination #substitutionmethod #eliminationmethod #crossmultiplication