Question

let p = a2-b2+5ab, Q= a2+4b2-6ab,R=B2+6
find P+Q+R​

Answer 1

Answer:

2a²+4b²-ab+6

Step-by-step explanation:

P = a²-b²+5ab

Q = a²+4b²-6ab

R = b²+6

Now according to the question ,

P+Q+R = (a²-b²+5ab) + (a²+4b²-6ab) + (b²+6)

= 2a²+4b²-ab+6