Question

a) उसका उत्तर 2a+2b आना चाहिए था Her answer
should have come 2a + 2b
b)उसने a और b के साथ उनकी घात 2 नहीं लिखी She did
not write 2 as power of a and b
c)ab के साथ 2 नहीं आएगा 2 won't come with ab
d)(a+b)(a+b) कोई सर्वसमिका है ही नहीं (a+b)(a+b) is
not an identity​

Answer 1

Answer:

you might have to try

a+b+a+b=2a+2b