Matematika

Pertanyaan

mohon bantuannya!!!!!
mohon bantuannya!!!!!

1 Jawaban

  •         15             √11 + √7                      15 (√11 + √7)
        -----------   x   -------------  =  ---------------------------------------------------
        √11 - √7        √11 + √7         √11(√11) +√11(√7) - √7(√11) - √7(√7)
                        
                                                    15 (√11 + √7)
                                               = ----------------------
                                                        11 - 7
     
                                               = 15/4 (√11 + √7)