Question

5) Expand using identity (s2 – t /2 + 3)2

Answer 1

Answer:

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Answer 2

here is ur answer

Step-by-step explanation:

using identity ( a+b+c)²=a²+b²+c²+2ab+2bc+2ca

(s²-t2+3)²=s⁴(-t2)²+3²+2s²×(-t2)+2×(-t2)×3+2×3×s²

=> s⁴-(t/2)²+9-s²t-3t+6s²....ans...

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