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How the circled one came from t prior step?? I hope you will ans quickly and crctly without blabbering sth.. Im waiting .. |
| Answer» PRIOR step, it is given that√4a^2 + 4a^2=√8a^2On FACTORIZING,√2×2×2×a×a=2a√2This is what, given in the NEXT step.Hope it helps you....(^_^) | |