Question

Answers: 1. 71 runs. 2. 38c 3. $ 96 4. 84 marks 5. 59 km 6. Average of 4 odd natural numbers from 6 to 13 is more 7. (i) 235 runs (ii) 211 runs (iii) india

Answer 1

Answer:

Your answer is like this

Step-by-step explanation:

kab+2a²-b²=(a-b)(2a+b),

kab+2a²-b²=2a²+ab-2ab-b²,

kab=-ab,

then

k = -ab/ab,

k=-1

Hence the valuea of k = -1