Class 12 Maths 80/80 Strategy 💯 | 5 Tips to Score Full Marks in Boards 2026

Don't miss this exam workshop opportunity #grade12 #matric #finals

Q) If 𝑅 be a relation defined as 𝑎𝑅𝑏 iff |𝑎−𝑏|=0𝑎,𝑏∈ℝ then 𝑅 is #cbse2026 #class12maths

Q) Show that the function 𝑓:𝑅→𝑅 defined by 𝑓(𝑥)=4𝑥^3−5,∀𝑥∈𝑅 is one-one and onto

Q) Show that a function f: R → R defined by f(x) = 2𝑥/(1+𝑥^2 ) is neither one-one nor onto.

Q) A relation 𝑅 on set 𝐴={1,2,3} defined as 𝑅={(1,2),(2,1),(2,2)} is #cbse2026 #class12maths

Q) Let A=ℝ−{3} and B=ℝ−{1}. A function f:A→B is defined by 𝑓(𝑥)=((𝑥−2)/(𝑥−3)). Find whether