Question

a ^ 2 + b ^ 2 + c ^ 2 + d ^ 2 + 2(ac - bd) please slove this​

Answer 1

Step-by-step explanation:

hi plz mark as brainless

Answer 2

Step-by-step explanation:

${a}^{2} + {b}^{2} + {c}^{2} + {d}^{2} + 2(ac - bd) \\ {a}^{2} + {b}^{2} + {c}^{2} + {d}^{2} + 2ac - 2bd \\ {a}^{2} + 2ac + {c}^{2} + {b}^{2} - 2bd + {d}^{2} \\ {(a + c)}^{2} + {(b - d)}^{2} \\ {(a + b + c - d)}^{2} - 2(a + c)(b - d)$

hope it helps