## 19. what must be subtracted from 4a² +66² Fab to get 862-4a²+5ab 20. If Rs:4000 becomes RS: 4400 after two years

Question

19. what must be subtracted from

4a² +66² Fab to get 862-4a²+5ab

20. If Rs:4000 becomes RS: 4400

after two years cute certain

rate of interest, find the rate

percentage per annum.

pls answer this two question need answers now you will be marked as brainliest and rated 5 stars and also thanked if u answer pls answer these question my humble request to you

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Math
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2021-08-13T17:41:26+00:00
2021-08-13T17:41:26+00:00 1 Answer
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## Answers ( )

20. 20%

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thank