Question

Multiply the surds √3( √7 − √3)
= √3x – √3
= –√9
= √21 –
2) Solve the simultaneous equations: 2x + y = 5 ,
Solution: 2x+y=5 ... (1) 3x–y=5 ... (2)
Adding equation (2) and (2) 2x + y = 5
3x – y = 5 = 10
x=
Substituting x = 2 in equation (2) 2(2) + 5 = 5
3x – y = 5
Ans:
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Answer 1

Answer:

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