Question

If a and B are the zeroes of the quadratic polynomial P(x)=x²-5x+4 find the value of a4 b3 + a3 b4​

Answer 1

Answer:

Step-by-steWhat happens when a solution of an acid is mixed with a solution of a base  

in a test tube?

2) Write the chemical formula of hydrated copper sulphate and anhydrous  

copper sulphate.

3) Why cake or bread becomes soft & spongy on adding baking powder? Write  

chemical equation.p explanation: